/*

Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016.  All rights reserved.

Contact:
     SYSTAP, LLC DBA Blazegraph
     2501 Calvert ST NW #106
     Washington, DC 20008
     licenses@blazegraph.com

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/
/*
 * Created on Jun 26, 2008
 */

package com.bigdata.striterator;

import java.util.NoSuchElementException;

/**
 * An empty iterator.
 * 
 * @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
 * @version $Id$
 */
public class EmptyChunkedIterator<E> implements IChunkedOrderedIterator<E> {

    private final IKeyOrder<E> keyOrder;
    
    /**
     * 
     * @param keyOrder
     *            The natural sort order (MAY be <code>null</code>).
     */
    public EmptyChunkedIterator(IKeyOrder<E> keyOrder) {
        
        this.keyOrder = keyOrder;
        
    }

    public IKeyOrder<E> getKeyOrder() {

        return keyOrder;
        
    }

    public E[] nextChunk(IKeyOrder<E> keyOrder) {
        
        throw new NoSuchElementException();
        
    }

    public E next() {
    
        throw new NoSuchElementException();
        
    }

    public E[] nextChunk() {

        throw new NoSuchElementException();

    }

    public void remove() {
        
        throw new UnsupportedOperationException();
        
    }

    public void close() {
        
        // NOP
        
    }

    public boolean hasNext() {
        
        return false;
        
    }
    
}
